44.10.1.1 Buck Converter

Table 44-15. Buck converter Electrical Characteristics
SymbolParameterConditionsTyp.Units
PEFF(2)Power EfficiencyIOUT = 5mA86%
IOUT = 50mA85%
VREGSCAL(1)Voltage scalingmin step size for PLx to PLy transition5mV
Voltage Scaling Period1µs
Note:
  1. These values are based on simulation. They are not covered by production test limits or characterization.
  2. These are based on characterization
Table 44-16. External Components requirements in switching mode(1)
SymbolParameterConditionsMin.Typ.Max.Units
CINInput regulator capacitorTantalum or electrolytic dielectric-10-µF
Ceramic dielectric X7R-100-nF
COUTOutput regulator capacitorTantalum or electrolytic dielectric0.811.2µF
Ceramic dielectric X7R-100-nF
LEXTExternal InductanceMurata LQH3NPN100MJ0
RSAT_LEXT ESR of LEXT---0.7
ISAT_LEXT Saturation current-275--mA
Note:
  1. These values are based on simulation. They are not covered by production test limits or characterization.